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CVE-2021-29061

24
FAUCET Score

CVE-2021-29061 is a Regular Expression Denial of Service (ReDOS) vulnerability affecting Vfsjfilechooser2 versions 0.2.9 and below, triggered when the application validates specially crafted URIs. It carries a CVSS v3.1 score of 7.5 (HIGH), indicating a network-exploitable vulnerability with low attack complexity that can lead to a denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.2.9CPE matchmatch criteria
cpe:2.3:a:vfsjfilechooser2_project:vfsjfilechooser2:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.31%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0232 is in the 67th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: com.github.fracpete:vfsjfilechooser2Fixed in: 0.2.9

Vendor Advisories (1)

mavenGHSA-c7fh-chf7-jr5xhigh

ReDOS in Vfsjfilechooser2

Jan 6, 2022

References

github.com / fracpete/vfsjfilechooser2/commit/9c9f2c317f3de5ece60a3ae28c371e9796e3909b
PatchThird Party Advisory
github.com / fracpete/vfsjfilechooser2/issues/7
ExploitIssue TrackingThird Party Advisory
github.com / fracpete/vfsjfilechooser2/releases/tag/vfsjfilechooser2-0.2.9
Release NotesThird Party Advisory
github.com / yetingli/PoCs/blob/main/CVE-2021-29061/Vfsjfilechooser2.md
ExploitPatchThird Party Advisory
github.com / yetingli/SaveResults/blob/main/md/vfsjfilechooser2.md
ExploitPatchThird Party Advisory